CN201531790U

CN201531790U - Full-range efficient heat radiating LED street lamp

Info

Publication number: CN201531790U
Application number: CN200920048671XU
Authority: CN
Inventors: 朱元恒
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-27
Filing date: 2009-10-27
Publication date: 2010-07-21
Anticipated expiration: 2019-10-27

Abstract

The utility model relates to a full-range efficient heat radiating LED street lamp, which comprises a lamp body, a cover plate with a glass cover and a plurality of radiating fins mounted at the top of the lamp body, wherein the cover plate mounted at the bottom surface of the lamp body forms a luminous cavity in which a circuit board with an LED lamp is mounted; an air inlet cavity and an air outlet cavity are formed on two sides of the lamp body , a power supply is mounted in the air inlet cavity, and a plurality of ventilation holes are formed at the top and bottom of the air inlet cavity and the air outlet cavity; heat radiation passages respectively positioned on two sides of the luminous cavity are arranged on the other two sides of the lamp body, and the two heat radiation passages are all communicated with the air inlet cavity and the air outlet cavity; a plurality of airflow heat conduction pipes communicated with the air inlet cavity and the air outlet cavity are arranged in the luminous cavity; and a plurality of through holes penetrating through the radiating fins in a linear way are formed on the radiating fins. Heat quantity in the luminous cavity of the LED street lamp provided by the utility model realizes heat elimination through air flow between the air inlet cavity and the air outlet cavity via the heat radiation passages and the airflow heat conduction pipes to work in with the radiating fins to perform heat elimination; the luminous cavity is hermetic, and the full-range dimensional heat elimination can be realized. The full-range efficient heat radiating LED street lamp has the advantages of good radiating effect, low LED light decay, long service life and low operating cost, thereby suiting the use of road lighting facilities.

Description

Comprehensive high-efficiency heat radiating LED street lamp

Technical field

The utility model relates to a kind of LED street lamp, is a kind of LED street lamp of comprehensive high efficiency and heat radiation specifically.

Background technology

LED has been widely used in the different kinds of roads illumination and has used as a kind of environmental protection, energy-conservation, long service life, novel illumination light source that illumination effect is good.LED lamp source is a cold light source, itself does not produce heat during work, the heat that has a resistance when the PN of LED saves but electric current is flowed through still can make LED lamp source heat up, work under hot environment and easily wear out in LED lamp source, light decay is fast, service life is short, and therefore solving LED lamp source heat-dissipating problem becomes the prolongation LED street lamp key issue in service life.

Traditional LED street lamp mainly dispels the heat by fin, as the patent No. is 200720028083.0 disclosed a kind of flat plate LED street lamps, adopt LED fin fixing on the street lamp frame and power supply heat sinking sheet respectively to the heat radiation of LED lighting cavity with to power supply heat sinking, the monolateral heat radiation of LED fin, radiating effect is poor, in the luminous chamber temperature rise still higher, and power supply is equipped with the power supply heat sinking sheet separately, the production cost height, complex manufacturing technology.

Existing LED street lamp utilizes the luminous chamber of LED street lamp to be communicated with extraneous air to dispel the heat, as the patent No. is 200710031037.0 disclosed high-power LED street lamp fixtures, except adopting light fixture back fin to be dispelled the heat in luminous chamber, also utilize and establish one or one group of heat pipe in the luminous chamber and connect LED street lamp lamp socket heat in the chamber is shifted out, compare the LED street lamp that tradition only adopts monolateral fin heat radiation, radiating effect improves a lot, but its weak point is: be communicated with extraneous air in the luminous chamber, insect protected, dustproof weak effect, influence the illuminating effect of LED street lamp, as respirator or filter being set in luminous chamber and extraneous air open communication place, street lamp uses for a long time, and the active carbon of respirator or filter absorption dust must often be changed the use cost height, maintenance, change inconvenience, be not suitable for street lighting and use.

Summary of the invention

Adopt the fin heat radiation separately in order to solve in the prior art the luminous chamber of closed LED street lamp, radiating rate is slow, weak effect, LED is easily aging, light decay is fast, service life is short, or the LED street lamp adopts heat pipe that luminous chamber heat is shifted out heat radiation, insect protected, dustproof weak effect, influence LED street lighting effect, if adopt the protection of activated carbon respirator or filter, the use cost height is safeguarded deficiencies such as inconvenience, the purpose of this utility model provides a kind of compact conformation, manufacture conveniently the airtight insect protected in luminous chamber, dustproof, street lighting is effective, and luminous chamber omnibearing stereo heat radiation, radiating rate is fast, effective, LED good work environment, the comprehensive high-efficiency heat radiating LED street lamp of long service life.

In order to achieve the above object, the technical solution adopted in the utility model is: comprehensive high-efficiency heat radiating LED street lamp, the cover plate that comprises lamp body, fin and band glass cover, some fin are installed at the top of lamp body, the cover plate of the bottom surface mounting strap glass cover of lamp body forms a luminous chamber, the wiring board of band LED lamp is housed in the luminous chamber, its technical characterstic is that described lamp body both sides are respectively equipped with air-inlet cavity and air-out chamber, power supply is installed in the air-inlet cavity, and the top and the bottom in air-inlet cavity and air-out chamber are equipped with a plurality of air vents; The other both sides of described lamp body are provided with the heat dissipation channel that lays respectively at both sides, luminous chamber, and two heat dissipation channels all are communicated with air-inlet cavity and air-out chamber.

Be provided with the air-flow heat pipe that is communicated with air-inlet cavity and air-out chamber more than one or in the described luminous chamber.

Described some fin are provided with the through hole that a plurality of straight lines run through some fin.

After adopting above technical scheme, the beneficial effects of the utility model are: the lamp body both sides are provided with the heat dissipation channel that is positioned at both sides, luminous chamber, two heat dissipation channels all are communicated with air-inlet cavity and air-out chamber, air-inlet cavity, air-out chamber and both sides heat dissipation channel form a circulation canal, cold air enters air-inlet cavity by the lamp body bottom, the heat dissipation channel of flowing through heat absorption is discharged hot-air by the air-out chamber at last, can dispel the heat to the luminous chamber of lamp body dual-side; The lamp body top is equipped with some fin, and fin is provided with the through hole that a plurality of straight lines run through fin, and extraneous air circulates in through hole, improves the fin radiating effect, accelerates fin to the luminous top of chamber heat radiation of lamp body; Both sides are respectively equipped with the air-flow heat pipe that is communicated with air-inlet cavity and air-out chamber in the luminous chamber, air-inlet cavity, air-out chamber and two sidewind heat pipes form another circulation canal, cold air enters air-inlet cavity by the lamp body bottom, the air-flow heat pipe of flowing through heat absorption, discharge hot-air by the air-out chamber at last, can be to cavity radiating in the luminous chamber of lamp body; In power supply was located at air-inlet cavity, in the luminous cavity radiating of lamp body, circulating air can be to power supply heat sinking; Heat in the luminous chamber is by the mobile heat radiation of air-flow heat pipe air between air-inlet cavity and air-out chamber of inner both sides, the luminous chamber of heat dissipation channel, the lamp body in two outsides, the luminous chamber of lamp body, cooperate the fin heat radiation of the luminous top of chamber of lamp body, the whole comprehensive heat radiation of LED street lamp, radiating rate is fast, effective, good work environment in the luminous chamber, the LED light decay is low, long service life, and luminous chamber is airtight fully, insect protected, good dustproof effect, the good illumination effect of LED is fit to outdoor road lighting and uses.

The utility model LED lamp body inside, luminous chamber and the outside are respectively equipped with air-flow heat pipe and heat dissipation channel, air-flow heat pipe and heat dissipation channel all are communicated with lamp body outlet and inlet chamber, and the lamp body top has the fin of through hole, compact overall structure, the omnibearing stereo heat radiation of luminous chamber, radiating rate is fast, effective, good work environment in the luminous chamber, the LED light decay is low, long service life, use cost is low, and luminous chamber is airtight fully, insect protected, good dustproof effect, good illumination effect, need not often safeguard, be fit to road lighting and use.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is the A-A cutaway view of Fig. 1;

Fig. 3 is the upward view of Fig. 1.

Among the figure: lamp body 1, cover plate 2, glass cover 3, LED lamp 4, wiring board 5, air-flow heat pipe 6, fin 7, heat dissipation channel 8, through hole 9, air-inlet cavity 10, air-out chamber 11, air vent 12, power supply 13.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Shown in Fig. 1-3, comprehensive high-efficiency heat radiating LED street lamp mainly comprises lamp body 1, cover plate 2, glass cover 3, LED lamp 4, wiring board 5, fin 7 and power supply 13.Be provided with wiring board 5 in the lamp body 1, wiring board 5 is provided with many LED lamp 4, the top of lamp body 1 is equipped with many group fin 7, fin 7 is provided with a plurality of through holes 9 that vertically run through some fin, the cover plate 2 of the bottom mounting strap glass cover 3 of lamp body 1 forms luminous chamber, and the wiring board 5 of band LED lamp 4 is sealed in the luminous chamber; The left and right two ends of lamp body 1 are respectively equipped with air-inlet cavity 10 and air-out chamber 11, and the upper and lower surface in air-inlet cavity 10 and air-out chamber 11 is equipped with many air vents 12, is provided with power supply 13 in the air-inlet cavity 10; The upper and lower both sides of lamp body 1 are equipped with a heat dissipation channel 8 that is positioned at luminous chamber side, and the upper and lower both sides in the lamp body 1 luminous chamber are equipped with an air-flow heat pipe 6, two heat dissipation channels 8 and two air-flow heat pipes 6 all are communicated with air-inlet cavity and air-out chamber.

During the LED street lighting, heat in the lamp body 1 luminous chamber is by the mobile heat radiation of air-flow heat pipe 6 air between air-inlet cavity 10 and air-out chamber 11 of inner both sides, the luminous chamber of heat dissipation channel 8, the lamp body in two outsides, the luminous chamber of lamp body, cooperate fin 7 heat radiations of the luminous top of chamber of lamp body, the omnibearing stereo heat radiation of luminous chamber, radiating rate is fast, effective, LED street lamp long service life.

Claims

1. comprehensive high-efficiency heat radiating LED street lamp, the cover plate (2) that comprises lamp body (1), fin (7) and band glass cover (3), some fin are installed at the lamp body top, the cover plate of lamp body bottom surface mounting strap glass cover forms a luminous chamber, the wiring board (5) of band LED lamp (4) is housed in the luminous chamber, it is characterized in that: described lamp body (1) both sides are respectively equipped with air-inlet cavity (10) and air-out chamber (11), and the top in air-inlet cavity and air-out chamber and bottom are equipped with a plurality of air vents (12); Described lamp body (1) is provided with the heat dissipation channel (8) that lays respectively at both sides, luminous chamber in both sides in addition, and two heat dissipation channels all are communicated with air-inlet cavity and air-out chamber.

2. comprehensive high-efficiency heat radiating LED street lamp according to claim 1 is characterized in that: described luminous chamber inner chamber is provided with the air-flow heat pipe (6) that is communicated with air-inlet cavity (10) and air-out chamber (11) more than one or.

3. comprehensive high-efficiency heat radiating LED street lamp according to claim 1 is characterized in that: described some fin (7) are provided with the through hole (9) that a plurality of straight lines run through some fin.

4. comprehensive high-efficiency heat radiating LED street lamp according to claim 1 is characterized in that: power supply (13) is installed in the described air-inlet cavity (10).